Studies of methods and materials for the control of the leafhopper Empoasca fabae as a bean pest
By: by Dwight M. DeLong.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 740; Technical bulletin (United States. Dept. of Agriculture) -- no. 740.
Publisher: U.S. Dept. of Agriculture
Published: 1940
Place of publication: Washington, D.C
Language: eng
Number of pages: 64
Subjects: Leafhoppers -- Control; Beans -- Diseases and pests; Empoasca fabae
Notes: Cover title.

"November 1940."

Literature cited: p. 60-63.